机译:Rhodium-catalysed decomposition of delta;,epsiv;-unsaturated beta;beta;-difluoro-alpha;-diazo esters, the direct formation of bicyclo2.1.0pentane ring systemsviaintramolecular cyclopropanation
机译:Unusual formation and X-ray crystal structure of stable anti-Bredt compounds by reaction of 3a,6a-diazapentalenes with dimethyl acetylenedicarboxylate